Re: Self describing NSObjects.
Re: Self describing NSObjects.
- Subject: Re: Self describing NSObjects.
- From: "Pascal J. Bourguignon" <email@hidden>
- Date: Wed, 04 Feb 2015 19:54:49 +0100
> On 04 Feb 2015, at 19:43, Alex Zavatone <email@hidden> wrote:
>
> All too often, I have a simple data class that is just a bunch of properties of cocoa collections.
>
> When walking through the debugger, it would be nice if these classes could auto describe.
>
> Consider this. I have a class with the properties of NSStrings that are firstname, lastname, address.
>
> Calling description or debugDescription on an instance of the class simply prints out the memory location.
>
> Is there something that I'm missing here? I don't want to manually enter each of the names of each of the properties to be exposed through a description method. Is there a means to extend NSObject to auto describe the top level of properties that are NSStrings, NSDictionaries, NSSets and so on and automatically dump them to the console?
>
> How would you think about implementing this? It seems like I run into this need year after year after year.
Have a look at:
https://developer.apple.com/library/mac/documentation/Cocoa/Reference/Foundation/Classes/NSObject_Class/index.html#//apple_ref/doc/uid/20000050-SW25
You can obtain the attributeKeys, and from there, obtain the value of the attributes and therefore implement a -description and/or -debugDescription including them.
--
__Pascal J. Bourguignon__
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